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【单选题】
银汞合金修复术的窝洞制备要求是A.
后牙 面近、远中窝都发生龋坏时，不论范围大小均应沿发育沟扩展将两窝洞相连制备成一个洞
B.
点线角清晰成直角相连
C.
洞面角应在釉质侧壁做倒凹
D.
面单面洞的固位主要靠倒凹固位
E.
上前牙腭面洞的外形三角形或圆形
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【单选题】The Recycling Rate for Tires In Japan, the recycling rate for tires was already 93 percent in 1993, Discarded tires are recycled here in three ways. The most familiar involves simply using them 'as is...
A.
using tires in their initial shape
B.
how to reuse discarded tires
C.
how to recycle activated, carbon
D.
the recycling rate of tires in Japan
【简答题】A．tiring B．tired C．tires
【简答题】TCP的全称是____,IP全称是____。
【单选题】We also should do something with the tires, such as
A.
Wash the tires
B.
A periodic check for stone and gravel in mesh. In the times.
【单选题】Low pressure tires have ______. potential for compaction than high pressure tires.
A.
higher
B.
lower
C.
similar
【简答题】在TCP/IP簇中的两个核心协议,TCP的全称是 ,IP的全称是 。
【简答题】A．tiring B．tired C．tires
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